Tripp Lite SmartOnline S3MX Owner's Manual page 44

4. Operation
Battery Mode Description
LCD Panel
Bypass Mode Description
LCD Panel
When the input voltage/frequency is beyond the acceptable range or experiences a power failure, the
UPS will provide backup power from the battery. The alarm will beep every 4 seconds.
When input voltage is within acceptable range and bypass is enabled, turn off the UPS and it will enter
Bypass Mode. The alarm will beep every two minutes.
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